Is $6 too much for a fast food burger? Judging by how many quickly-served, higher-quality burgers are hitting the market lately selling for $5, $6, and up—strictly for the sandwich, not a whole meal—diners seem to be game for paying more for better, bigger burgers.

This is a big week for big burgers. Wendy’s is introducing its new Dave’s Hot ‘N Juicy burgers, a reinvention of the chain’s burgers that’s been in the works since early 2009, and which will sell, depending on size, for $3.49 to $5.79 in most locations. At the high end of the price spectrum, Wendy’s patrons get a whopping three-quarters of a pound of beef. Carl’s Jr. and sister chain Hardee’s, meanwhile, are launching their new steakhouse burgers, which will sell in a half-pound “Six Dollar Thickburger” version.

Earlier this year, the food industry research firm Technomic announced that the “better burger”—the specialty of newer, rising-star chains such as Smashburger and Five Guys—was arguably the country’s hottest menu item trend. Carl’s Jr.’s new steakhouse burger, in particular, takes its cue from pricier restaurants, not the usual fast food players.

The “better burger” battle is going beyond burger specialists as well. Five Guys and other “fast-casual” restaurants are trying to woo customers away from the likes of Chili’s and Ruby Tuesday, at least as much as they are attempting to appeal to diners who are looking for grub of a higher quality than McDonald’s or Burger King.

So long as those diners are willing to pay a bit higher price, that is. Five Guys just flat doesn’t do discounts or coupons, and a regular hamburger generally starts over $5, while the bacon cheeseburger goes for around $7. A large order of fries will run about $5 too.